Building Robust Systems That Tolerate Failures

From log recording to collection and utilization, it covers the whole cycle.

Through this course, you will experience application deployment automation. While deploying a project, you will also learn how to use Jenkins and gain basic knowledge about CI/CD!

We'll show you a quick and easy way to implement CircuitBreaker to create a fault-tolerant service.

For job seekers who have created a portfolio as a backend developer but have nothing to show but an API, we will provide the experience of adding a frontend to create a web service.

Through this course, you will gain experience deploying front-end and back-end projects. You will also gain basic knowledge about Linux and networks while deploying projects!

In this lecture, you will learn how to understand various deployment strategies and choose the right deployment method for your situation to maximize service stability. You will also get practical tips on setting up Slack alarms and deploying to an operating environment!

This is a follow-up lecture to 'Testing Backend Application Performance', and it will lay the foundation for improving the performance of the backend application you created.

This course will provide you with the basic knowledge to perform performance testing and improve the APIs of your own backend applications.

This course will enable even non-majors to develop and operate Spring MVC-based web applications.

We'll show you a quick and easy way to implement CircuitBreaker to create a fault-tolerant service.

A practical course on easily building a super simple bulletin board with Spring Boot and React.js! This course focuses less on theory and more on hands-on practice, covering the web application development process for quick completion.

This course proceeds in stages, similar to the actual work, by learning and applying the necessary knowledge while configuring the infrastructure.

A solo IT startup founder and solo entrepreneur's experience distilled into an honest, straightforward, intuitive, and deep React + Spring Boot course (Docker, AWS, GitHub Actions) I just unified everything into this one course.

A portfolio-focused course on directly deploying React frontend and SpringBoot backend to AWS cloud! This course is helpful for those who want to quickly deploy frontend and backend projects to their portfolio! You'll be able to practice step-by-step in a short period the knowledge needed for deployment, from server setup to Docker, Domain connection, Nginx, and HTTPS implementation!

Learn the deployment process in the following order: Manually deploy Spring Boot with Chicken Combo value -> Deploy with Docker -> Github Action CI/CD.

Build a Springboot + iOS RestAPI Bulletin Board: Learn Faster than Anyone Develop a CRUD server with Springboot and create your own bulletin board with iOS!

We have gathered Apache Kafka application programming knowledge used in real environments! We will take a look at and practice various functions of Apache Kafka that are key to building data pipelines.

Complete a project integrating an API server built with Spring Boot (Spring Boot ver3.4.x) and React 19 (with TypeScript)! Apply frontend to your backend portfolio! This course is written for working professionals (not a beginner-level course).

This course includes both server (Java+Springboot) and front-end (React, ReactNative, Flutter, Android, iOS) development. Experience building a full-stack bulletin board with this course.

# Building an 'Intelligent Collaboration' Expert Agent Team Using Spring AI Router Pattern + RAG + MCP Beyond Single Agents to Architecture: The Definitive Guide to Router Pattern and Agent Isolation Design

If you learned about grammar and component types in the ExtJS basic course, In the practical/application section, we will create a simple practice program along with server connection.

This course is designed to help you learn the use of ksqlDB and its core mechanisms through various hands-on exercises. After completing the course, you will be able to easily and quickly build a real-time streaming data analysis system based on Kafka.

Springboot + React RestAPI Bulletin Board Creation: Learn Faster Than Anyone Develop a CRUD server with Springboot and create your own board with React!

Through in-depth theoretical explanations of Kafka Connect and detailed practical training that can be used immediately in the field, we will help you grow into an expert in building data linkage and data pipelines based on Kafka Connect that are needed in the field.

AI is no longer a choice but a matter of survival. Reduce development time from 3 days to 30 minutes, delegate repetitive tasks to AI, and focus on solving more important problems. With AI-native development methods that you can apply immediately in real work rather than just theory, we'll show you the definitive way to be recognized as "the developer who's good with AI" at your company.

Experience the power of Type Safe SQL with jOOQ!

Spring AI + JPA + MySQL Premium Reservation Agent Backend Development with 'Autonomous Behavior' Beyond Chatbots to Agents: The Definitive Guide to Tool Calling and Prompt Engineering

Kotlin mastery via virtual payment server course.